Michael O St. Louis , MO May 13, 2022 Appliance: Whirlpool 1.7 Cu Ft Microwave MH1160XSQ0 Whirlpool Microwave Mh1160xsq0: Vent grille deflector. How to replace Microwave Vent Grille. Part replacement was simple. And I received it very quickly. 2 simple screws was all it took! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes